Home / 122,139.15-183,202.65-62,980.80

Finding the Fourth Proportional to 122,139.15, 183,202.65 and 62,980.80

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Solution

The fourth proportional to 122,139.15, 183,202.65 and 62,980.80 is: 94,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,139.15 : 183,202.65 = 62,980.80 : x
  2. Step 2: Convert to fraction form
    122,139.15/183,202.65 = 62,980.80/x
  3. Step 3: Cross multiply
    122,139.15x = 183,202.65 × 62,980.80
  4. Step 4: Simplify right side
    122,139.15x = 11,538,249,459.12
  5. Step 5: Solve for x
    x = 11,538,249,459.12/122,139.15
  6. Step 6: Final answer
    x = 94,468.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.